On 27/02/2019 11:45, Julien Grall wrote: > (+ Juergen Gross as RM) > > I forgot to CC Juergen for this. > > On 2/26/19 11:03 PM, Julien Grall wrote: >> After upgrading Debian to Buster, I started noticing console mangling >> when using zsh. This is happenning because output sent by zsh to the >> console may contain NUL character in the middle of the buffer. >> >> Linux is sending the buffer as it is to Xen console via CONSOLEIO_write. >> However, the implementation in Xen considers NUL character is used to >> terminate the buffer and therefore will ignore anything after it. >> >> The actual documentation of CONSOLEIO_write is pretty limited. From the >> declaration, the hypercall takes a buffer and size. So this could lead >> to think the NUL character is allowed in the middle of the buffer. >> >> This patch updates the console API to pass the size along the buffer >> down so we can remove the reliance on buffer terminating by a NUL >> character. >> >> Signed-off-by: Julien Grall <julien.gr...@arm.com>
The risk for a regression is too high this late in the 4.12 release process IMO. My plan is to have only one further RC before branching off 4.12, so please let us shift this patch to 4.13. Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
